MX25: Add initial support for MX25PDK

Add the initial support for MX25PDK booting from SD card via internal boot.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>

include/configs/mx25pdk.h

@@ -0,0 +1,106 @@
+/*
+ * (C) Copyright 2011 Freescale Semiconductor, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+/* High Level Configuration Options */
+
+#define CONFIG_MX25_CLK32		32768	/* OSC32K frequency */
+#define CONFIG_SYS_HZ			1000
+#define CONFIG_SYS_TEXT_BASE		0x81200000
+
+#define CONFIG_DISPLAY_CPUINFO
+#define CONFIG_DISPLAY_BOARDINFO
+
+#define CONFIG_CMDLINE_TAG		/* enable passing of ATAGs */
+#define CONFIG_SETUP_MEMORY_TAGS
+#define CONFIG_INITRD_TAG
+
+/* Size of malloc() pool */
+#define CONFIG_SYS_MALLOC_LEN		(CONFIG_ENV_SIZE + 2 * 1024 * 1024)
+
+/* Physical Memory Map */
+
+#define CONFIG_NR_DRAM_BANKS	1
+#define PHYS_SDRAM_1		0x80000000
+#define PHYS_SDRAM_1_SIZE	(64 * 1024 * 1024)
+
+#define CONFIG_BOARD_EARLY_INIT_F
+
+#define CONFIG_SYS_SDRAM_BASE		PHYS_SDRAM_1
+#define CONFIG_SYS_INIT_SP_ADDR		(CONFIG_SYS_SDRAM_BASE + 0x1000 - \
+						GENERATED_GBL_DATA_SIZE)
+
+/* Memory Test */
+#define CONFIG_SYS_MEMTEST_START	(PHYS_SDRAM_1 + PHYS_SDRAM_1_SIZE/2)
+#define CONFIG_SYS_MEMTEST_END		(PHYS_SDRAM_1 + PHYS_SDRAM_1_SIZE)
+
+/* Stack sizes */
+#define CONFIG_STACKSIZE	(128 * 1024)	/* regular stack */
+
+/* Serial Info */
+#define CONFIG_MXC_UART
+#define CONFIG_SYS_MX25_UART1
+#define CONFIG_CONS_INDEX	1	/* use UART0 for console */
+#define CONFIG_BAUDRATE		115200	/* Default baud rate */
+#define CONFIG_SYS_BAUDRATE_TABLE	{ 9600, 19200, 38400, 57600, 115200 }
+
+/* No NOR flash present */
+#define CONFIG_ENV_OFFSET      (6 * 64 * 1024)
+#define CONFIG_ENV_SIZE        (8 * 1024)
+#define CONFIG_ENV_IS_NOWHERE
+
+#define CONFIG_SYS_NO_FLASH
+#define CONFIG_SYS_64BIT_VSPRINTF
+
+/* U-Boot general configuration */
+#define CONFIG_SYS_PROMPT	"MX25PDK U-Boot > "
+#define CONFIG_AUTO_COMPLETE
+#define CONFIG_SYS_CBSIZE	256	/* Console I/O Buffer Size  */
+/* Print buffer sz */
+#define CONFIG_SYS_PBSIZE	(CONFIG_SYS_CBSIZE + \
+		sizeof(CONFIG_SYS_PROMPT) + 16)
+#define CONFIG_SYS_MAXARGS	16	/* max number of command args */
+/* Boot Argument Buffer Size */
+#define CONFIG_SYS_BARGSIZE	CONFIG_SYS_CBSIZE
+#define CONFIG_CMDLINE_EDITING
+#define CONFIG_SYS_LONGHELP
+
+/* U-Boot commands */
+#include <config_cmd_default.h>
+#define CONFIG_CMD_CACHE
+
+/* Ethernet */
+#define CONFIG_FEC_MXC
+#define CONFIG_FEC_MXC_PHYADDR		0x1f
+#define CONFIG_MII
+#define CONFIG_CMD_NET
+#define CONFIG_NET_MULTI
+#define CONFIG_ENV_OVERWRITE
+
+#define CONFIG_BOOTDELAY	3
+
+#define CONFIG_LOADADDR		0x81000000	/* loadaddr env var */
+#define CONFIG_SYS_LOAD_ADDR	CONFIG_LOADADDR
+
+#define CONFIG_EXTRA_ENV_SETTINGS \
+	"script=boot.scr\0" \
+	"uimage=uImage\0" \
+	"netargs=setenv bootargs console=ttymxc0,${baudrate} " \
+		"root=/dev/nfs " \
+		"ip=dhcp nfsroot=${serverip}:${nfsroot},v3,tcp\0" \
+	"bootcmd=run netargs; dhcp ${uimage}; bootm\0" \
+
+#endif /* __CONFIG_H */